update applovin demo upload

standalone/platform.go

@@ -159,6 +159,37 @@ if ($dlg.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK) {
 	return result
 }
 
+func PickSaveFile(title, defaultName string, filters []FileFilter, initialDir string) string {
+	filterStr := "All files|*.*"
+	if len(filters) > 0 {
+		parts := make([]string, 0, len(filters))
+		for _, f := range filters {
+			exts := make([]string, 0, len(f.Extensions))
+			for _, e := range f.Extensions {
+				exts = append(exts, "*."+e)
+			}
+			parts = append(parts, fmt.Sprintf("%s|%s", f.Name, strings.Join(exts, ";")))
+		}
+		filterStr = strings.Join(parts, "|")
+	}
+	script := fmt.Sprintf(`
+Add-Type -AssemblyName System.Windows.Forms
+$dlg = New-Object System.Windows.Forms.SaveFileDialog
+$dlg.Title = '%s'
+$dlg.Filter = '%s'
+$dlg.FileName = '%s'
+if ('%s'.Length -gt 0) { $dlg.InitialDirectory = '%s' }
+if ($dlg.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK) {
+  Write-Output $dlg.FileName
+}
+`, psEscape(title), psEscape(filterStr), psEscape(defaultName), psEscape(initialDir), psEscape(initialDir))
+	out, err := exec.Command("powershell", "-NoProfile", "-NonInteractive", "-STA", "-Command", script).Output()
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(out))
+}
+
 func PickFolder(title, initialDir string) string {
 	script := fmt.Sprintf(`
 Add-Type -AssemblyName System.Windows.Forms